Central to Gyökeres’s frustrations is a belief that he had an agreement with Sporting president Frederico Varandas to sell him for a certain fee, believed to be around €70 million (£60.4 million, $82 million). Varandas has publicly insisted Gyökeres will not be sold for such a price.

Where is Viktor Gyokeres? The question on the minds of many Arsenal supporters as they try to make sense of the negotiations which continue between the clubs. The Gunners had pulled out of the race to sign Benjamin Sesko,

A deal for the 27-year-old striker is not done as discussions continue over the fee — but the situation is progressing towards a conclusion.